Senior Vulnerability & Endpoint Security Administrator

Defense Engineering Inc.; Fort Belvoir (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

Defense Engineering Inc. seeks a Vulnerability Management and Endpoint Security Administrator to provide cybersecurity expertise supporting a high-profile DoD contract.

The role covers ACAS/Nessus, Tanium, and Trellix across Windows and Linux environments, with risk-based remediation and leadership-facing reporting. The candidate will analyze vulnerabilities, determine remediation priorities, and advise on cybersecurity risk within enterprise endpoints and infrastructure.

Qualifications

• Bachelor’s degree with 4+ years in cybersecurity, vulnerability management, endpoint security, or related field; or 8+ years in lieu of a degree.
• 4+ years in vulnerability management, endpoint security, cybersecurity engineering, or information assurance in an enterprise environment.
• Proven ability to analyze complex cybersecurity vulnerabilities and recommend remediation strategies.
• Hands-on expertise with ACAS/Nessus, including scanning, policy administration, and remediation.
• Hands-on expertise with Tanium for endpoint visibility, inventory, compliance, and remediation.
• Knowledge of Trellix endpoint-security, including posture assessment and alert investigation.

Responsibilities

• Independently analyze enterprise vulnerability and endpoint-security posture across Windows, Linux, and virtual environments.
• Administer ACAS/Nessus vulnerability-management capabilities, including architecture, policies, credentialed scanning, and reporting.
• Perform in-depth vulnerability/risk analysis, establish remediation priorities, and recommend strategies to owners and leadership.
• Leverage Tanium to analyze endpoint visibility, asset inventory, and remediation needs.
• Analyze endpoint posture with Trellix; investigate alerts and policy issues; assess configurations.
• Develop vulnerability-management metrics, dashboards, and executive summaries for risk decisions.

Skills

ACAS/Nessus

Tanium

Trellix endpoint-security

Windows

Linux

Risk assessment

Threat analysis

Education

Bachelor’s degree

Tools

ACAS/Nessus

Tanium

Trellix endpoint-security

STIG tools

Job description

Defense Engineering Inc. seeks a Vulnerability Management and Endpoint Security Administrator to provide cybersecurity expertise supporting a high-profile DoD contract.

The role covers ACAS/Nessus, Tanium, and Trellix across Windows and Linux environments, with risk-based remediation and leadership-facing reporting. The candidate will analyze vulnerabilities, determine remediation priorities, and advise on cybersecurity risk within enterprise endpoints and infrastructure.